Sturdy and Secure: the bike phone holder clamp comes with 4 support corners to ensure your phone stays securely attached to your bicycle handlebarsSecurity Upgrade: automatic locking cooperate with one-way prevent back gear, prevent the occurrence of loose during strenuous exerciseRotation 360 Degrees: the phone holder and the handlebar connector are connected by a spherical universal joint, allowing you to adjust your phone to any angle you wantEasy Installation: convenient tool-free installation makes it easy mount to any bicycle handlebar,only need to locate and lock nut ; new handlebar connector for easier installationUniversal Compatibility: this bicycle phone mount is carefully designed to perfectly, universal adjust ability that will securely fit any smartphone up to4.7 and 7 inches wide.